Unsure if it works with Power Automate (not familiar with that), if it's made for automation and API calls, probably yes. You can check here how you can use access tokens and refresh tokens to keep your access token valid and periodically automatically renew it with the renew token.
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Herman Robers
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If you have urgent issues, always contact your Aruba partner, distributor, or Aruba TAC Support. Check
https://www.arubanetworks.com/support-services/contact-support/ for how to contact Aruba TAC. Any opinions expressed here are solely my own and not necessarily that of Hewlett Packard Enterprise or Aruba Networks.
In case your problem is solved, please invest the time to post a follow-up with the information on how you solved it. Others can benefit from that.
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